Interstellar war
From Tardis Wiki, the free Doctor Who reference
During the Sontaran invasion of Earth, the Tenth Doctor noted that for Earth to launch nuclear missiles against the Sontarans would have started an interstellar war. (TV: The Poison Sky)
According to the Seventh Doctor, Earth was involved in an interstellar war in the 27th century, which was ended by a peace treaty that was drawn up thanks to a Haitian who first deciphered the Rihanssu language. (PROSE: The Pit)
